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  1. --lua 5.3
  2. print (string.match("!", '[%!-%.]'))
  3. print (string.match("%", '[%%-a]'))
  4.  
  5. print (string.match("%", '[%d-a]'))
Success #stdin #stdout 0s 14112KB
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stdin
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Standard input is empty
stdout
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!
%
nil
https://ideone.com/KbkGPN
language:
Lua (luac 5.3.3)
created:
7 years ago
visibility:
public

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